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Finding the Fourth Proportional to 364.87, 546.94 and 300.07

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Solution

The fourth proportional to 364.87, 546.94 and 300.07 is: 449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.87 : 546.94 = 300.07 : x
  2. Step 2: Convert to fraction form
    364.87/546.94 = 300.07/x
  3. Step 3: Cross multiply
    364.87x = 546.94 × 300.07
  4. Step 4: Simplify right side
    364.87x = 164,120.29
  5. Step 5: Solve for x
    x = 164,120.29/364.87
  6. Step 6: Final answer
    x = 449.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.